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Cheap flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport from £491

IAD — CMB
13 Nov — 20 Nov1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dulles Intl to Colombo

Enter your travel dates to find the best prices.

Cheapest flights from Dulles Intl to Colombo

Wed 11/1121:20 -
1 stop22h 05m
Wed 18/1109:15 -
1 stop37h 00m
Deal found 12/10£717
Mon 2/1122:20 -
1 stop21h 05m
Tue 17/1109:15 -
1 stop37h 00m
Deal found 12/10£718
Thu 29/1015:25 -
1 stop37h 55m
Mon 2/1109:55 -
1 stop33h 35m
Deal found 13/10£721
Tue 10/1113:30 -
1 stop31h 45m
Tue 8/1209:15 -
1 stop37h 00m
Deal found 11/10£755
Tue 10/1110:35 -
2 stops21h 20m
Tue 8/1209:15 -
1 stop33h 50m
Deal found 12/10£811
Sun 18/1010:55 -
1 stop28h 40m
Tue 3/1111:15 -
2 stops31h 50m
Deal found 10/10£812
Mon 2/1110:35 -
2 stops21h 20m
Tue 17/1111:15 -
2 stops31h 50m
Deal found 12/10£813
Thu 29/1011:15 -
2 stops21h 40m
Fri 13/1109:15 -
1 stop33h 50m
Deal found 13/10£849
Sat 17/1010:55 -
2 stops37h 50m
Sun 25/1017:20 -
1 stop25h 25m
Deal found 9/10£887
Mon 2/1114:25 -
3 stops25h 05m
Tue 17/1109:10 -
3 stops34h 20m
Deal found 12/10£925

Find flight deals from Dulles Intl to Colombo

Round-trip from

£717

One-way from

£491

Popular in

December

Cheapest in

February

Average price

£782
Turkish Airlines
  • Turkish Airlines
  • 11/11-18/11
  • 2 total stops
  • 59h 05m total
  • Washington, D.C. to Colombo
Search Deals
Etihad Airways
  • Etihad Airways
  • 20/10-31/12
  • 1 total stop
  • 26h 20m total
  • Washington, D.C. to Colombo
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport that are best for you.

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Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Tue 20/10

15:10-03:00

1 stop26h 20m

Colombo Bandaranaike Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

£491

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Wed 21/10

15:10-08:35

1 stop31h 55m

Colombo Bandaranaike Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

£491

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Thu 22/10

11:05-22:55

2 stops26h 20m

Colombo Bandaranaike Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

£503

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Thu 29/10

06:15-20:15

2 stops28h 30m

Colombo Bandaranaike Intl

Wed 31/12

00:00-13:30

Nonstop0h 00m

£600

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Mon 2/11

22:20-05:55

1 stop21h 05m

Colombo Bandaranaike Intl

Tue 17/11

09:15-11:45

1 stop37h 00m

£718

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Thu 29/10

15:25-14:50

1 stop37h 55m

Colombo Bandaranaike Intl

Mon 2/11

09:55-09:00

1 stop33h 35m

£721

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Wed 28/10

11:15-18:25

2 stops21h 40m

Colombo Bandaranaike Intl

Thu 12/11

11:15-08:35

2 stops31h 50m

£811

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Tue 10/11

10:35-18:25

2 stops21h 20m

Colombo Bandaranaike Intl

Tue 8/12

09:15-08:35

1 stop33h 50m

£811

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Mon 2/11

10:35-18:25

2 stops21h 20m

Colombo Bandaranaike Intl

Tue 17/11

11:15-08:35

2 stops31h 50m

£813

Washington, D.C.Colombo

IAD Washington, D.C. Dulles Intl - CMB Colombo Bandaranaike Intl

IADCMB

Washington, D.C. Dulles Intl

Thu 29/10

11:15-18:25

2 stops21h 40m

Colombo Bandaranaike Intl

Fri 13/11

09:15-08:35

1 stop33h 50m

£849

Flights are sorted by cheapest return flights first.

Deals found on 13/10

Showing 1-10 of 15 resultsSorted by cheapest first
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Best time to book a flight from Dulles Intl to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Dulles Intl with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport (average of £671). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of £1,233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?

Airfare is typical for this route at the moment.

Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport flights typically cost between £652 and £872 in November.
The cheapest return price found within the last 5 days was £717 on Turkish Airlines (11 Nov–18 Nov).

Related info for your journey

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?

    Turkish Airlines, Etihad Airways, and Emirates can get you from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in just under 21h 05m. Your travel time can differ by up to 16h 50m. Washington, D.C. Dulles Intl Airport and Colombo Bandaranaike Intl Airport are separated by a distance of 8928 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Dulles Intl to Colombo that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Colombo flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Colombo.

  • Can I find deals for business class flights from Dulles Intl to Colombo?

    Yes. Cheapflights offers flight deals from Dulles Intl to Colombo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport (average of £671). Flying from Washington, D.C. Dulles Intl Airport to Colombo Bandaranaike Intl Airport in December is currently the most expensive (average of £1,233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Colombo Bandaranaike Intl Airport?

Book flights to Colombo Bandaranaike Intl Airport if you plan to visit one of these locations
Negombo

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Cheapflights makes it easy to find Dulles Intl to Colombo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Dulles Intl to Colombo?

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Can Cheapflights find flights from Dulles Intl to Colombo with no change fees?

Certainly. Search results for flights to Colombo from Dulles Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Dulles Intl to Colombo become cheaper?

Yes, Cheapflights offers price alerts on Dulles Intl to Colombo flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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